Finding the Fourth Proportional to 12,215,360.41, 18,323,030.17 and 3,117,457.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,215,360.41 : 18,323,030.17 = 3,117,457.29 : x
2. Step 2: Convert to fraction form
   12,215,360.41/18,323,030.17 = 3,117,457.29/x
3. Step 3: Cross multiply
   12,215,360.41x = 18,323,030.17 × 3,117,457.29
4. Step 4: Simplify right side
   12,215,360.41x = 57,121,263,978,356.45
5. Step 5: Solve for x
   x = 57,121,263,978,356.45/12,215,360.41
6. Step 6: Final answer
   x = 4,676,183.27